Spin polarization of electrons in a quantum film based on a narrow-gap semiconductor |
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| Authors: | L S Isaev Y S Joe A M Satanin |
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| Institution: | (1) Center for Computational Nanoscience, Department of Physics and Astronomy, Ball State University, Muncie, IN 47306, USA;(2) Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhni Novgorod, 603950, Russia |
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| Abstract: | The size-quantized spectrum of a film (quantum well) with a variable band gap based on Pb1?x Sn x Se compounds has been studied. It is shown that an asymmetric modulation of the band gap in the film growth direction leads to the spin splitting of the electron subbands of a uniform quantum well. The effect of the state of the film surface on spontaneous polarization of the electron gas is discussed. |
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